[PATCH V3 2/8] block: move blk_crypto_bio_prep() out of blk-mq.c

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blk_crypto_bio_prep() is called for both bio based and blk-mq drivers,
so move it out of blk-mq.c, then we can unify this kind of handling.

Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
 block/blk-core.c | 21 ++++++++-------------
 block/blk-mq.c   |  3 ---
 2 files changed, 8 insertions(+), 16 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index d4a023667ac1..f03fff1fa391 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -783,24 +783,19 @@ noinline_for_stack bool submit_bio_checks(struct bio *bio)
 	return false;
 }
 
-static void __submit_bio_fops(struct gendisk *disk, struct bio *bio)
-{
-	if (blk_crypto_bio_prep(&bio)) {
-		if (likely(bio_queue_enter(bio) == 0)) {
-			disk->fops->submit_bio(bio);
-			blk_queue_exit(disk->queue);
-		}
-	}
-}
-
 static void __submit_bio(struct bio *bio)
 {
 	struct gendisk *disk = bio->bi_bdev->bd_disk;
 
-	if (!disk->fops->submit_bio)
+	if (unlikely(!blk_crypto_bio_prep(&bio)))
+		return;
+
+	if (!disk->fops->submit_bio) {
 		blk_mq_submit_bio(bio);
-	else
-		__submit_bio_fops(disk, bio);
+	} else if (likely(bio_queue_enter(bio) == 0)) {
+		disk->fops->submit_bio(bio);
+		blk_queue_exit(disk->queue);
+	}
 }
 
 /*
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 6c59ffe765fd..dc62a47ceb26 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2788,9 +2788,6 @@ void blk_mq_submit_bio(struct bio *bio)
 	unsigned int nr_segs = 1;
 	blk_status_t ret;
 
-	if (unlikely(!blk_crypto_bio_prep(&bio)))
-		return;
-
 	blk_queue_bounce(q, &bio);
 	if (blk_may_split(q, bio))
 		__blk_queue_split(q, &bio, &nr_segs);
-- 
2.31.1




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